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Individual Calculations September 2023 |
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| Schaefer, Sasha Milo Total change: 1.60 | |   |
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| July-August 2023 Marshall Monday Rounds 1-3 | New York, NY | USA | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1662 | 0.50 | 2 | 0.03 | 40 | 1.20 | |
|  Berg, George | | | 1789 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Solomon, Ciprian | | | 1966 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | July-August 2023 Marshall Thursday Open Rounds 1-3 | New York, NY | USA | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1662 | 0.00 | 1 | -0.83 | 40 | -33.20 | |
| | Tse, Whitney | | | 1384 | USA | 0.00 | 1 | -0.83 | 40 | -33.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | July-August 2023 Marshall Monday Rounds 4-6 | New York, NY | USA | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1662 | 1.00 | 2 | -0.12 | 40 | -4.80 | |
| | Patel, Maahir | | | 1608 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Ju, Alan | | | 1633 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | July-August 2023 Marshall Thursday Open Rounds 4-6 | New York, NY | USA | 2023-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1545 | 1636 | 1.00 | 1 | 0.38 | 40 | 15.20 | |
| | Merritt, Giovanni | | | 1545 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | XXXIII Pan-American Youth Chess Festival - Under 8 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1441 | 1636 | 5.00 | 6 | 0.58 | 40 | 23.20 | |
| | Goel, Raben | | | 1359 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | McCallum, Elliot | | | 1388 | CAN | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Guntaka, Aayansh R | | | 1323 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Yu, Yang | | | 1408 | USA | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Li, Aiden Linyuan | | | 1693 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Katta, Sriansh | | | 1477 | USA | 0.50 | 1 | -0.21 | 40 | -8.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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